Backsplash panels made with tiles that have a textured surface, like stone, can lend a kitchen a grounded, natural feel. Their earthy vibe can also make a space feel calmer and spacious.

Travertine, for example, comes in many forms (subway tile, 4 by 4, mosaic), all relatively affordable. Most styles will run between $4 and $8 per square foot (not including installation). That’s ...